Supplier Page from Thermo Fisher Scientific for Tellurium(IV) ethoxide, tech. 85%, remainder ethanol
3-Iodo-L-tyrosine, 97% from Thermo Fisher Scientific
D(-)-Ribose, 99+% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
Norcamphor, 99% from Thermo Fisher Scientific